Fixes: integer overflow
No testcase
Found-by: 김승호 <kimsh...@naver.com>
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/dvbsubenc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/dvbsubenc.c b/libavcodec/dvbsubenc.c
index 822e3a53099..53f0f6412fa 100644
--- a/libavcodec/dvbsubenc.c
+++ b/libavcodec/dvbsubenc.c
@@ -302,7 +302,7 @@ static int dvbsub_encode(AVCodecContext *avctx, uint8_t
*outbuf, int buf_size,
/* page composition segment */
- if (buf_size < 8 + h->num_rects * 6)
+ if (buf_size < 8 + h->num_rects * 6LL)
return AVERROR_BUFFER_TOO_SMALL;
*q++ = 0x0f; /* sync_byte */
*q++ = 0x10; /* segment_type */
@@ -326,7 +326,7 @@ static int dvbsub_encode(AVCodecContext *avctx, uint8_t
*outbuf, int buf_size,
if (h->num_rects) {
for (clut_id = 0; clut_id < h->num_rects; clut_id++) {
- if (buf_size < 6 + h->rects[clut_id]->nb_colors * 6)
+ if (buf_size < 6 + h->rects[clut_id]->nb_colors * 6LL)
return AVERROR_BUFFER_TOO_SMALL;
/* CLUT segment */
--
2.49.0
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